EE-SY190/191 Reflective Photomicrosensor uses Fresnel Lenses to Enhance Sensing Characteristics High-precision optical technology ensures excellent limited sensing range and sensing position characteristics Ideal for paper/OHP detection in OA/CP markets Available in top-view model (EE-SY190) and side-view model (EE-SY191) Compact package (Length 18mm x Width 6mm x Height 9 mm) Ordering Information Appearance Sensing method Sensing distance Reflective 4.0 mm (min) 4.5 mm (typ) 5.